Breakdown dynamics of a horizontal evaporating liquid layer when heated locally

Результат исследования: Научные публикации в периодических изданияхстатья

Аннотация

Breakdown of liquid layer when heated from a localized hot spot was investigated experimentally. Water and ethanol were used as working liquids with a layer thickness of 300 μm. Basic steps of the breakdown process were found and mean velocities of the dry spot formation were determined. The formation of residual layer over the hot-spot before the breakdown has been found for both liquids. The creation of a droplet cluster near the heating region is observed when using water as a working fluid. It was shown that evaporation is one of the general factors influencing the process of layer breakdown and dry spot formation as well as thermocapillary effect.

Язык оригиналаанглийский
Номер статьи0049
ЖурналEPJ Web of Conferences
Том159
DOI
СостояниеОпубликовано - 25 окт 2017

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